he plan is to have 100kW lab test turbine 1978, 2MWfield test prototype 1981, and commercial system ofcapacity 50MW later.• However, the funding was terminated Oct 1978.• The 100kW lab test turbine had turbine efficiency 23%.• The goal is to develop efficiency 70% turbine.• Efficiency 50% total flow turbine is better than singleflash system if dryness is around 20%